Home / 648,901.32-972,712.28-227,881.95

Finding the Fourth Proportional to 648,901.32, 972,712.28 and 227,881.95

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Solution

The fourth proportional to 648,901.32, 972,712.28 and 227,881.95 is: 341,598.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,901.32 : 972,712.28 = 227,881.95 : x
  2. Step 2: Convert to fraction form
    648,901.32/972,712.28 = 227,881.95/x
  3. Step 3: Cross multiply
    648,901.32x = 972,712.28 × 227,881.95
  4. Step 4: Simplify right side
    648,901.32x = 221,663,570,015.94
  5. Step 5: Solve for x
    x = 221,663,570,015.94/648,901.32
  6. Step 6: Final answer
    x = 341,598.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.